Machine for perforating note-sheets.



C. F. STODDARD.

MACHINE FOR PERFORMING NOTE SHEETS.

APPLICATION FILED AUG. l1. |914. RENEwED FEB. 28. 191s.

1,280,578. Panted 001:. 1, 1918.

DUUUDDUUIIUIU.

Walinesses: v [nvenior:

d )(6 Z hariesli''taddard,

' www,

CHARLES F. sToDDARn, oFNEw YORK, N. Y.

MACHINE Fon FERFORATING NOTE-SHEETS.

Specification of Letters Patent.

Patented oct. 1,1918.

Application mea August 11, 1914, serial No. 856,266. `Renewed February es, 191s.l serial No. 219,729.

To all whom 'it may concern: f

Be it known that I, CHARLES F. S'roDDAnD, a citizen of the United States, and a resident of New York, countyk and State of New York, haveL invented an Improvement in Machines for Perforating Note-Sheets, of which the following description, in connection, with the accompanying drawings, is a specification, like characters on the drawings representing like parts. l p p Y Y This invention relates to machines for making perforated note sheets for mechant cal musical instruments; and pertains more particularly to mechanismy for controlling the respectiveL feeding movements of the pattern or stencil, and the note sheet material t0 be punched, so as to .maintain a proper relationship between the feeding operations. f

Amongother objects, the invention is intended to provide a simple feed controlling mechanism which shall operate practically infallibly to determine the proper relationship between the pattern feed and the feed of the note sheet material. y

The character of the invention may be readily understood by reference tov the accompanying drawing, which Vshows diagrammatically one practical embodiment of the invention which has been selected for illustration.

Referring to .the drawings, the pattern or stencil sheet 2 is shown at the upper left hand corner of the sheet, andthe note sheet material to be punched is shown at 3 Yat the lower right hand corner of the sheet.

Onefof the functions of the apparatus shown is to cause the pattern sheet-2 and the note sheet material 3 to be fed in proper relationship. y

To illustrate yone formV of pattern sheet suitable to be used, thesheet 2 .is shown as provided with perforations 11i, corresponding to perforations intended vto be .punched in the note sheet material 3.V The note sheet material 3 may consist of-a stack of superposed sheets which may be punched simultaneously. e y 'A F i The pattern sheet 2 is mounted upon a spool 8, and is wound upon atake-up roll 9 driven by any suitable forin'of motor, as, for instance, a pneumatic motor M, shown .diagrammatically The motor M. drives a crank shaft 10, having apinion 11 which meshes with the gear 12 upon the shaft .of- ,the taketh roll 9. .As illustrated, the motor M is a pneumatic motor supplied with suc# tion froma duct 13; and this supply of suction is controlled as hereinafter described.

The pattern sheet 2 illustrates a prime controller of a punch selecting mechanism, which may be of any practicable type. For purposes of explanation, one practicable form of punch selecting mechanism is shown in the drawingv as comprisinga tracker bar 15 provided with vents yto be opened bythe perforations t ofthe pattern ,sheet2.` Each y ventk is connected bya duct 16 with the controlling valves-of a power pneumatic 18. A chest for the several pneumatics 18k is connected byfduct 19 `with a source yof eX- haust. As. will be understood kby those skilled `in the art, whenaventof the tracker 15 is opened by a perforation t,`suction from the duct'19 is admitted to a power pneumatic18causing Vthe latter to collapse.

` VVhenfthus collapsed, theV pneumatic 18 lifts a selector slide the perforating niachine; andrwhen the tracker vent is again closedmpermitting the power pneumatic 18 to ,expand again, theslide20 ,is drawn downwardly to the position shown in the drawing by a spring 21. i

lIt ywill bek understood that there is a series of the selector slides 20 corresponding each to a punch for punchinga note perforation in the note sheet material. set of selecting vand punching devices is shown diagrammatically in the drawing; and it will be understood that these parts are reduplicated as many times asvmay be` One complete i necessary to Yprovide for punching/the dei of the selector pin 23 and is held in engagement with the selector pin head by a spring 30, which tendsI always to rock the lever 28 in aV contra-clockwise direction. The lower end -of Vthe lever 28 is pivotally connected to aselector bar 32, the'right hand end of which the drawing rests in a slide/Way 1n.

a vertically reciprocating cross"head"com prising the -two connected parts 33,34. The part 3% carries the punches 35, and'ithe `part 33 includes the punch-driving bar 3,6.

` rthe cross head 33, 34' is-reciprocated vertically in appropriate guideways by an eckcentric upon t,the shaft ,126, whichgistunneeessary to`be shown. This suffices to show that Ifor-each complete revolution -of the shaft 26 the cross l,head 33, 34 is moved downwardly -and then fupwardly through one complete ireciprocation. lThe,pun'ches'35 are carried su'liiciently loosely inthe cross head 34 to permit'theinyto drop againstthe note sheetf'material without punching-'the `same except 4.when a selector ',bar "32"l has been moved lfar enough toward :the right yin the drawing to be interposed between the driving bar`nf36-anda punchhead. v

*The punches` larer Yarranged to slide lvertically in Va ,stiipperf-barf38, which -overlies the lnote sheet materialf3, supported aty the punching point upon ay die39.

' f With lthe described arrangement, when the ,crossfhcad 22 moved ltoward'theleft in the drawing, the lever 28 lis permitted, to rock slightly contraclockwise,.and thereby tomove the selector bar 32toward-the right. Ifthe selector slide20 remains `in .the ,position shown, the movementofthe'selector pin 23 is arreste'din suchmpo'sition' that-'the selectorbar 32 isinotfperinittedto move/far enough to l'be interposed 'in driving position between the punc'jh Aandthe driver bar36 but 'if the v"selector slideV ,20rhasqbee1i llifted (by the opening of the corresponding tracker vent) T.the cut out 'portion140 ofthe selector slide is thereby positioned opposite theselector `pin l23, permitting asuiiicient i movement fof'the pin, Lthe'lever l28 and selectorlbar 32 to move the latter into ydriving positionand cause its corresponding punch to be driventhroughthe note sheet material its will be understood by those skilled in `the art, the horizontal reciprocation of the selectorcross head 22 and the vertical i'eciprocation 'of the I punch vcrosshead 533, 34, are relatively 'so timed l that the cross head 22 is moved toward lthe leftI to; position the various selector loars32` appropriately' to the perfor-ationsto Qbe punched,fpre

y paratoryto thefdescent ofthe cross Vhead 33, 34'to drivethe selectedpunches through the notesheet material. Y

It is tobe understood that the punch selecting' and punching mechanism just described is merely'illustrative, and Aany suitable equivalent or substitute may lbeyeinployec. y

y,The note sheet material?) maybe fed through thc V punching mechanism. `in any practicable nia-nner, r`as,v jfor iexaniple, by

Y somesuch feeding mechanismf as (that de scribed in United `States to ADavis No. 659053, date-#dumber2.51900? one "form nf there shown, the note sheet Vfeed mechanism is viewed lin section on a vertical plane substantial-ly' 'bisecting the feedc'mechanism Atransversely of the direction of feed, which ds .toward z the right in the drawing. This feed mechanism comprises an upper apron 50 and a lower apron 52,*-each apron consisting of a pair of parallel sprocket chains (only one of which is shown) connected by slats or cross bars l53 on the upper Vapron and'on'the Alower apron. The cross .bars 53 vandy 54 on the respective aprons are so ,disposed jthata cross 'bar '53 registers with ay cross'bar `5ionopposite sides of the note sheet rmaterial 3 on the adjacent runs of the `twogapions, so as to grip the noteisheet material" 3 ybetween lthe i cross l'bars `with suficientfpressure to ,cause "the note sheet material 'to accompany the aprons during'ftheir movement. As this feed mechanisin isshown, the .aprons are driven intermittently'by a pawlrkengaging a ratchet S7-upon a''shafti 58 of one of the sprocket wheels^59iiforthe upper apron; Also iiXed upon'fthefshaft 58isa gear GOaneshing with the gear 6l upon the shaft 62 for a sprocket wheel 63 of the lower apron. The pawl 456 drives^ this' ratchet '57 in a contra-cloclnvise directioniand'thereby,through the gears 60 and 6 1, drives the two ,aprons inthe vdirections yiiidicated bythe arrows in the 'drawings.

lThe pawl 56 is reciprocated by a pitnjian 65 connected to an eccentric 66 upon Vthe shaft 26. The eccentric 66 ,is so4 disposed upon theishaft 2,6 that `the aprons 14 and l5 remain atrrest during the downward Inovelationship tothe feed of Ithe note sheet inaterial will be nextjdescribed.

4Inthe-illustrative embodiment of the invention, note sheet material 3 is fed intermittently at a uniform speed, one feed lstep forjeach complete revolution of the shaft 2G. In this specific embodiment, therefore, the note sheet feed may be regarded as a constanaand thev feed ofthe pattern sheet 2'as a variablewhich is regulated Vby the apparatus next described so as to insure vvthe proper lrelative positioningoffthe .D ote sheet The lmanner in which ythe n of steps,each step consisting of the distance (measured parallel to the length of the sheet) between one of the marginal perforations and the next. These perforations correspond to tracker vents 70, 71 and 72. As shown in the drawing,the marginal perforation 73 is about to open the tracker vent 70. Thereafter, when the pattern sheet 2 has moved through one of its feed steps, the perforation 74 will open the vent 71; and

Yafter. another feed stepthe perforation 75 will open the vent 7 2. Then other perforations 7 6, 77 and 78 willrepeatthe operation ofopening tracker vents 70, 71 and 72 in succession, and these successive alternative openings of thetracker vents 70, 71 and 72 are repeated throughout the desired length of the' pattern sheet. Ther vents 70, 71 and 72 are connected respectively by ducts 80, 81

.and 82 with valve mechanisms V, Vr1 and'VZ.

The valve mechanism` V2 is shown in section to disclose its interior construction; and valve mechanisms V and VFl may be exact duplicates of the mechanism V2. Y

The duct 82 opens into` a d iaphragincham.-

ber 85, the diaphragm of which operates a valve86. The chamber 87 of the valve 86 is entered by duct 88,an'd a second duct 89 (shown in dotted lines). 'When the valve 86 rests in the position shown (i. c., when the diaphragm chamber 85 is exhausted through the usual bleed while theftracker vent 72 is closed) there is through communication between the ducts 88 and 89, with an effect presently described.k When, however, the vent 72 is open, atmosphere is thereby admitted tok the diaphragm chamber 85, and4 thereby the valve 86 isy liftedto close the mouth of the ductv88 and open communication between the duct `89,.past the valve 86,

to suction in thelmain exhaust chamber 90. The duct'88 is arranged to receive either atmosphere, or suction from therchamber 90,v

according to the position ofthe valve 92 operated by a diaphragmy of the chamber 93, which chamber is connected by a ductf95 with a controlling device, presently ,described, connected with the feed mechanism for the note sheet material 3.

lThe duct 89 (shown in dotted lines) connects the valve kchamber 187 with av diaphragm lchamber 100, the diaphragm of which operates a valve 102. The chamber 103 of the valve 102 is closed to atmosphere,

and communicates with a duct105.` When the valve 102 is in the position shown, the chamber 103, and therefore therduct 105," are shut o from both atmosphere and suction,

and therefore'the chamber and duct icontain dead air. A sp`ring'107 may be provided to assist in returning the valve 102 to thek posivtionshown after it has been moved and then released. Y .The duct 105 connects the chamber 103 with the duct 13 already referred to, whichy communicates with the pneumatic motor M. And it is through thisduct 105 andcorresponding ducts of the valve mechanism'V and 'V1 that Vthe exhaust is'communicated to the motor tooperate it. 4Hence when the duct 105 is cut off from the exhaust, ythe motor Vis stopped', unlessexhaust is admittedjto the ductv 13 .from one ofthey otherpvalve mechanisms V and V1. j 'n j i Returningvnow vto the duct 95,-it connects the diaphragm 'chamber 93 with a valve block which contains a cylindrical rotating valve'111 having any axial-bore 112,

which is continuously open to atmosphere. A radial port 113 communicates with the axial-bore 112.V Theduct 95 has a mouth 115 which is opened tolatmosphere from time to time, in the rotationV of the rvalve 111, by way ofthe port 113 andaxial-bore 112.* i

The valve111 is affixed to a gear'w117,

which gear is drivenby a pinion 118 mounted upon the punch selecting and driving shaft 26.k For the purposes of the specific illustrative apparatus, the gears 117 and 118 have the ratio of three to one. That is to say, for each revolution of the shaft ,26, the gear 117 and valve 111 areL rotated through only onethird of a complete revolution, .or 1200.

In the operation of the apparatus thus far described, theshaftV 26 is continuously rotated, whereby the note sheet material?) is fed in a continuous succession of steps, and for each such step the valve 111 isy rotated through 120. n When theradial port 113 registers' with the mouth of the duct 95, atmosphere is ics thereby admittedthrough--theduct 95 to the diaphragm chamber 93. n This moves the valve 92 and admitsatinosphere tothe duct 88, and through the valve chamber 87vtoy the duct 89 and diaphragm chamber 100. This in turnv lifts the valve 102 and opens the motor duct 105 and the ductr13 to suction in the main exhaust chamber 90. The applying ofthe exhaust to the motor promptly starts the feed ofpattern sheet 2; This feed move ment of the pattern sheet continues until stoppedv as hereinafter described, by, the opening of an appropriate ktracker ventby one of the marginal perforationsin the pattern sheet.

As already stated, the valve mechanisms V and V1 may each be exactly likethel` valve mechanism V2, which has just been described. All three of g the .valve Imechanisms kare connected lrespectively-,with the motor duct 13u-bythe three ducts `105, v120 vand 121 respectively; and the operationcof `any kone aloneof-the valve mechanisms V, V1 or `V? .will admit suctionto. the motor Iduct 13, and thereby startthedrive of the .motor landthe feedofthe patternsheet 2. The valve mechanism V is connected to the tracker .vent v by the duct 801m the samemallller described in connection ,withthe l`valve mechanism LV2 and likewisetheI valve ymechanism V1 is connected .With the tracker vent 71 bythe duct L81. c

. lhe yduct130, .exactly corresponding .to ,the duct 95, connectsthe valve mechanism V l.With a .port 132 in the .valve .block 110. The.; duct 134,. corresponding lto .the `ducts 95 and 130,.,connects the valve mechanism V1 with a port 135 inthe ,valveblock 110. The ports 115, 132and,13`5,are disposed120C apart aroundthevalve 111; andhence for cach onefthird iof va ,y revolution of y,the valve 111er'. c., foreach completervevolution of the shaft 26-.oneof tl1e.ports11y5,;13;2 and 135 isopen .to atmosphere. In other ivvords, since eachcomplete revolutionof the shaft =264 causes l.one feed step ,of the note sheet material v3,`it .follows'that each `such feed stepV is acco Y panied by. the opening of one ofthe three portsll, 132 and t Itwillbenoted in y.the specific' 4apparatus that suction Will be `v`admitted to the motor 'M tokdrive the same l only solongV as the valve102 or -a corresponding valveinthe mechanism 1V or V1 `is held up against its spring 107; and ,this condition would prevail only so ,longy as 4the valve 92 is lifted to permitatmosphere to enter the ducts 83 and 89- and vthe kdiaphragm chamber 100. But to liftthe valve .92 to'this end, the duct 95k must receive atmosphere through its mouth`115 from the port 113 in the valve 111. flu-other Words, vthe feed vof the note sheet by the motor M results from the opening of one of the ports 1.15, '132.or 135 in the rotation of the valve 111; and the supply of suction'to'the motor AM is continued only so long'as kone..,Ofis'aid ports is maintained ,open by the rotating port 113. vThus the effect of the rotation VYof the valve 111, in the absenceof the perforations 73, .74, etc.,

' and the valve :86, would be simply torepeatedly start and stopthe motor ANMso as to .feed the. pattern sheet 42 yintermittently4 in a succession of steps.

' For the purposes of this speciiicmechanism, the motor M and its-train of mechanism for vfeeding the pattern sheet are arranged to operate `at high speed so thatwhen actually moving the :pattern sheet-travels at sucha speed that its Vfeed steps consume each considerably less time than a feedstep of the note sheet material.I p c Thus atjthe beginning` of eperation of the being assembled and engagedby `its feeding mechanism, vandthe patternfsheet being securedtothe take-uproll 9, the punching machine is started; and Ithereby ithepfro'tation of the valve 111 is commenced. As a result, the stencil sheet is `moved lvthrough aseriesofr high speed steps untihthe marginal perforations 73, 74,75, etc., reach a proper relationship tothe operationof ythe valve. 111 to cause v.the desired r-arrest of ,the stencil sheet .feed vat .the end of vreachfeed step. Eor example, with the .parts in the positions shown in :the drawing, vthe valve port 113 Kadmits atmosphere through `the duct port `1535 Yand duct 134C to the .valve mechanism V1, `and thereby kadmits suction through the ducts 120 and 13to the motor. Thus -f as shoivn .the Ymotor is operating yto drive thestencil sheet. When the duct .70 is .now opened bythe perforation 73, the

.opening of that perforation admits atmospherethrough the duct SO-to the valve mechanism vcausing avalvelike the valve 86 to lift, "but Without any tendency to stop the motor, which receives its supply of suction, notfrom the valve mechanism VV controlled byutherperforation 73 in the stencil sheet, but bythe `valve mechanism ,Vl,wvhich is not aected bythe perforation 73. Therefore the stencil Isheet continues its rapid successionof high speed steps until it overtakes, soto speak, the valve 111, and .until the opening of-oneofthetracker vents 70, 71 and 72 'follows ldirectly after the opening of the correspon'din duct port 115, 132 or 135. F or example, although in the positions shown in lthe drawings, the perforation 73 would probably be ineffective to .stop the stencil-sheet feed,+inevertheless.by the time the valve port 113fhas reached and opened the duct port 115 (for ,the valve mechanism V2), .the more rapidly moving stencil sheet would'have brought the corresponding perforation 74 ynear `to ,the tracker 'in readiness toopen the vent ,72 (also correspondingto the valve mechanism Y2). Thusthe admission of atmosphere-to the duct port 115 would ystart the drive of the motor 'M and its feed of the notesheet, which would be moved rapidly through a feed step `and until the perforation 7,5 had opened .the tracker vent`72, whereupon the described mechanism would promptly stop the .stencil sheet feed. `'llherfea'lg'ter lthe succussion ofopenings rof the duct ports 115, .132. and 135 would be kfollowed respectively and in step by the opening of the tracker vents 70, "'71 and 72 vby the succession of perforations 76,277 .and 78. In other Words, the opening of the duct port k132 will start a yfeed step ofthe stencil sheet, which will be stopped by the openingof the tracker vent 70 by the perforation 76; the opening of the duct port 135 will starte feed step l by the opening of the tracker vent 71 by a perforation 77; the opening of the.V duct port 115 will start another feed step of the stencilsheet, which will be stopped by the opening of the tracker vent 72 by the perforation 78; and so on throughout the seriesof marginal perforations in the sten-.H

cil sheet.

As already described, each one-third revo-V lution of the valvelll corresponds to one feed step of the note sheet material 3;

Therefore for each feed step of the note sheet material there ywill be a deinite predetermined length of feed step of the lstencil sheet; v1.6., a length of feed step equal to the distance (measured parallel with the length of the stencil sheet) between one perforation, 7 3, and the next.

To permit the stencil sheet feed to overtake, so to speak, the rotating valve 111 before the actual punching of. the note sheet material begins, it is preferred that a series of perforations, 7 3, 74 and 75, etc., extend to some distance along the stencilsheet in advance of the initial note perforations. Thus y when the note perforations reach the tracker Abar 15, and start their selection of punches forv perforating note sheet material, the proper relationship between the stencil feed and the note sheet feed will have been established,y and will thereafter be maintained. From the foregoing description it will be readily understood by those skilled inthe art that the stencil sheet and the note sheet material will kbe fed step by step, and always in step witheach other; and the notev sheet material (in the specific illustrative machine) will be fed through steps of uniform length, while the steps of the stencil lsheet will depend for their lengths upon whatever spaces are predetermined between each marginal perforationand the next. If it is desired to reproduce upon the note sheet material exactly the relationship vof, the perforations inthe stencil sheet, then the spacesl between.l the successive marginal. perforations of the stencil sheetwould be made of uniform length so that the feed steps of the stencil sheet would be uniform. But by varying the spaces between Ythe marginal perforations in the stencil sheet, the.V note sheet may` be provided. with 'iperforations having predeterminedly different relations Y from the relations of thekperforation's of the stencil sheet.

It is to be understood thatthis invention is not limited tothe specicv construction, organization, or mode of operation'described herein for illustration. .On, the contrary,

the invention may be `'variously embodiedor the described construction may be variously modified within the scope of the subjoined plans. It is not indispensable that all the features of the invention be used conjointly, Y

since they may be used to advantage sep-y arately. Claims: va, .l f., y 1. A note sheet perforating machine comprising, in combination, punch selecting` and driving mechanism including.. a, pattern sheet; feedingfineans for the note sheetmaf; terial; `independent Afeeding means for the pattern ydisconnected from the .note-sheet feedingmeans; and means connected toone of said feeding means for startingy and stop-t.y ping the other said feeding means. 2. A note sheet perforatingl machine coin-cy prising, in combination, punch-selecting "andk driving mechanism including fa pattern` sheet; feeding inechanism'for the'note sheet material; means for feeding ,the Npatterng. and pneumatically-operated lstarting means for the pattern feeding, means controlled the Vnote sheet feedin mechanism. A y 3. A note sheet per orating machine coinf,lv prising, in combination,- punch selecting and driving mechanism including a pattern gsep.- y arate independently Vdriven feeding means for theY pattern and the note sheet material; and controlling means for one said feedingv means, Controlled. by the other. Said. `ifsedins means,

, 4. A note prising, combination, punch selecting and driving mechanism incl'udinga moving pattern; note sheet feeding mechanism; ,pneu-k matic meansk governed kby the note sheet feeding mechanisnifor starting the .move-l ment of thepattern; and pneumatic means"y controlled by thepattern .for #stoppingthe sheet perforating machine vcommovement thereof. e. Y

5l A note sheet perforating machine l' prising, in combination,y punch kselecting ,andf driving mechanism including a, pattern; note .sheet feeding mechanism; pneumatic means 'controlled bythe note sheet feedig iio means; and means governe'd'by thepattern l for stopping the pattern feedinglmeans.,

Y 7 A note sheet perforatingmachine coinprising, in combination,y punch selecting and driving means including a pattern; pattern.; feeding means; note sheet feeding l means; and pneumatic means for causing the respec- :tve feedingmeans yt0 operate `-rin Step L with each, other.

` 8. A note sheet perforating machine comprising, in combination, punch selecting. and driving mechanism including a pattern; a motor for feeding the pattern; independmotor.

v copies of thisfpateiit 'may be Meirieu entlj7 drivenA `note sheetfeeding '-mechanism; and controlling mechanism for said motorl governed anisni.

9.- Anot'e sheet perfoiating iiiachine' coin-V pris'ing; in-combinatiom punch selecting and" driving mechanism including? a' pattern@ pneumatic patternfeeding mechanism; independently driven note: sheet feedingm'echl anismg means `for starting'a succession oipattern feed steps:corresponding to'note sheet feed steps; andnieanslcarriedby the pattern for determiningfthe llengths of' pat-' tern' feed stepsi Y ll. A note sheetperfora'tingmachine com'- piising, in combination; punchselecting'y and driving mechanism including a' pattern; notesheet" feeding` mechanism ;y aL motor disconnected` from said note-sheet feeding' mechanism` for feeding the pattern; and startinga'nd' stopping mechanismY for said motor ysynchronised Witlithenotesheet eeding'meChaniSm;

12. A note sheet -perforating machine com'- prising, in combinatiom punch selecting` and driving mechanism includi'ngay pattern; note sheet` feeding mechanism; a pneumatic motor for feeding the pattern; astartii'ig L and` stopping mechanism for f said pneumatic motor'connected tothe note sheet' feding mechanism.` f 13'. A note sheetperforating' machine'com# prising, in 'combinatiom punch selecting :and'

driving mechanism including" a pattern;

note sheetv feeding mechanism; a pneuifnatic'- motor orfeedingthe pattern; means for starting the pneumatic motor; andl *means* controlledby thepattern forstopping said' Hloin'sfl 14'. A' note' sheet perforating'machine comprising,' in coinbinatiompunch selecting and driving mechanism including a" netter/11;"Y note sheet feeding mechanism a pneumatic motor for-feeding the pattern g' means connected' tothe note'sheet feeding mechanism for starting the pneumatic motor; and per-r forations in lthe l5. fA notesheet'perforating machine comby said note sheet vfeedingrm'echpattern" for stopping? said prisin'g; in' combination, punchv selecting and driving mechanismlinciuding 'azpatterng note'shc'et feedingfmechfanism; a inoto'r'fdisl connected from' said notesheet feeding. niechanism,- orieeding the pattern; inean's forstarting said;v motora succession of times corresponding 'to successive feedy steps ofthe a note sheet material; and a succesion of de? vices en the pattern for succesively stopping saidl motor, successive spaces' between said devices determining lcngth'slof feed stepsY lof I the pattern;

16S Afnote sheet perforating machine comprising; irr combination;-perfoiating mech! ani'sin;` a pattern hav-ing'f"operative' conn'ec# tieni'vith the=periioiatinginechanisnr; dri ing? means for-they pe'ifoiating mechanisni; independently" diivenf mea-iisL fo i' t pattern; and means; coni'iected iv ii siepe-1 iorating mechanism for'goveiiningfthe pattern yfeeds l note" Sheet perforating machine com@ non; perforating ineclinisnr; separate diiving 4means forlsai'd mechanisms respectively 'neans 'i-o'if maintainingsaid ni'echairisnisY iii-'desired c'orrelatimr` ai-'idhhving 'operative connection With#and''controlled i by" bothl said mechanisms'.`

i8: anche Sheetstrainingmaeiiineeomi t prising;r in'l combination; perforating mecha#y nism; selecting mechanism including ai pat'-v te'rng' separate driving means" yfor thejper#4 `ifoiating Ymechanism' and pattern*v respeciv tively, vand means for 'maintaining the` per# foi-ating and selectingmechanisms in= desiied* correlation,y inclii'ding means' opera-- tively connected tofaiidfcontrolled bythedriveY for' the p'erf'ratingl mechanism for4 startingthepattern drive, and means opera;

tively" connectedfto and controlledl by the" pattern for stopping fthepattern drive:

19.- A note sheet perforating'machine comix prising; in' con'ibin'ation, perforatingL mechai nism, selecting mechanism including ya `pat-y' tern;- vmechanismy for'driving said perfbr'at" ing 'mechanism andAl pattern; means for' starting the pattern drive in `predetermined time relation to the-perforating mechanism? and means to stop'the'pattern'drive' withy the pattern' in a predeterminedposition.

two subscribing Witnesses.

c CHARLES F. STODDARDL Witnesses:

FLOYD D. Misinnsg g FRANCIS H; N. BYRNE.

for ve cents eal,"`by'a'ddressing the Commissioner of`IateI1t's`,- Lwashingtomncf?" i Y n Y Inl testimony whereof, I1 have signedfmy name to this specification, in the presencefof v 

